MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5621cd4a0de05cddb766e3cfb98392bf50f6ee2e9f9befc62e9961788e193c22. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


GCleaner


Vendor detections: 11


Intelligence 11 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5621cd4a0de05cddb766e3cfb98392bf50f6ee2e9f9befc62e9961788e193c22
SHA3-384 hash: fb401462c748140df047916bfe57266f6e4f931db75e44a93bba3759bbf6bbad77ceb7c927e5ea25729131c7cea44dd6
SHA1 hash: 07e45eb6b1ce624b48ca11f3a9dac4a7b9c98f74
MD5 hash: c33390795c21a5074432d7b94205946d
humanhash: nineteen-vegan-football-coffee
File name:file
Download: download sample
Signature GCleaner
Create hunting rule
File size:2'241'924 bytes
First seen:2023-03-23 01:36:23 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'446 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 49152:EGlJfsg0r9MIYviL2AKwX3Xb0c0hDfcCdicsGcxhSnTj6fgkBVEOM5dlLYp:5ArS9uKwwc5msGySHkBSOmPYp
Threatray 2'134 similar samples on MalwareBazaar
TLSH T170A53313D20A8479D613D6F9EC2FD7650E2379390ABCE55CB1DC92AD6E33321991E207
TrID 50.3% (.EXE) Win32 Executable PowerBASIC/Win 9.x (148303/79/28)
37.2% (.EXE) Inno Setup installer (109740/4/30)
4.8% (.EXE) Win32 Executable Delphi generic (14182/79/4)
2.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
1.5% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon b298acbab2ca7a72 (2'327 x GCleaner, 1'631 x Socks5Systemz, 67 x RedLineStealer)
Reporter andretavare5
Tags:exe gcleaner


Avatar
andretavare5
Sample downloaded from http://45.12.253.74/pineapple.php?pub=mixinte

Intelligence

File Origin
# of uploads :
1
# of downloads :
275
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-03-23 01:38:37 UTC
Tags:
installer gcleaner
Link:
https://app.any.run/tasks/1ee8ef49-24d8-40a9-87ce-f184757f796a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/376716/
Detection(s):
SecuriteInfo.com.TR.Spy.KGBSpy.1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% subdirectories
Creating a window
Creating a process from a recently created file
Сreating synchronization primitives
Searching for the window
Creating a file in the Program Files subdirectories
Moving a file to the Program Files subdirectory
Modifying a system file
Creating a file in the %AppData% subdirectories
Sending an HTTP GET request
Running batch commands
Creating a process with a hidden window
Using the Windows Management Instrumentation requests
Creating a file in the Windows subdirectories
Launching a tool to kill processes
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware installer overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/641bad403b01ade53e709de7/reports/31b4c7fc-ad48-4f28-87ae-2ad1a70cf182/overview
Verdict:
Malicious
Labled as:
HEUR/AGEN.1251208
Link:
https://www.hybrid-analysis.com/sample/5621cd4a0de05cddb766e3cfb98392bf50f6ee2e9f9befc62e9961788e193c22
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/83c0db3c-8219-417c-b5f4-49485e0f1b70
Result
Threat name:
Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1200028
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Machine Learning detection for dropped file
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
Yara detected Nymaim
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 832933 Sample: file.exe Startdate: 23/03/2023 Architecture: WINDOWS Score: 100 47 45.12.253.98 CMCSUS Germany 2->47 49 Snort IDS alert for network traffic 2->49 51 Antivirus detection for URL or domain 2->51 53 Antivirus detection for dropped file 2->53 55 7 other signatures 2->55 10 file.exe 2 2->10         started        signatures3 process4 file5 31 C:\Users\user\AppData\Local\...\is-32DKA.tmp, PE32 10->31 dropped 13 is-32DKA.tmp 15 24 10->13         started        process6 file7 33 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 13->33 dropped 35 C:\Users\user\AppData\Local\...\_iscrypt.dll, PE32 13->35 dropped 37 C:\...\unins000.exe (copy), PE32 13->37 dropped 39 6 other files (4 malicious) 13->39 dropped 16 FRec322.exe 20 13->16         started        process8 dnsIp9 41 45.12.253.56, 49693, 80 CMCSUS Germany 16->41 43 45.12.253.72, 49694, 80 CMCSUS Germany 16->43 45 45.12.253.75, 49695, 80 CMCSUS Germany 16->45 29 C:\Users\user\AppData\...\v0fmxstw2ug8m.exe, PE32 16->29 dropped 20 v0fmxstw2ug8m.exe 16->20         started        23 cmd.exe 1 16->23         started        file10 process11 signatures12 57 Multi AV Scanner detection for dropped file 20->57 25 taskkill.exe 1 23->25         started        27 conhost.exe 23->27         started        process13
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/5621cd4a0de05cddb766e3cfb98392bf50f6ee2e9f9befc62e9961788e193c22/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Suspicious
First seen:
2023-03-23 02:06:19 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
11 of 24 (45.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=kyq42sqn4bon3n3g4ph3ta4sx5ipn3rot6n67rrotfqxrdqzhqra._file
Verdict:
malicious
Similar samples:
1ed63828c472771cf59e95852088a702e381e3350d9c4cf831ca102d922e611a
GCleaner
59d0992382ba2953514858b563ede4cbb4015af18494539bfb9be2d47a0c2270
GCleaner
5ab2cc3237c2857bc3943ded65eeea7cc88bd1dcfbb170e8069def2ca54e46ee
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665687b64c26cd4019dd0e43415dd4978c2ed59c7c897462f3cd64c4920e380b
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83660b75c4e4dc6041398055ea66a6815b0b8144551aa4d45fda83c05dba9277
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84cc827150e0aeb82f1e7b4abd98332c49b45be6ac8f4df9fbd516633c452d0f
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8a58ec8781e8b2835a2d33a6a4412b4ce0674be037eba31a55c8cefe56c903c1
GCleaner
a41e45e14795bb60ef20aa47780ddd8cdc491e7e23c16594a7af91c4f3e817cd
GCleaner
db1800a95c8908bb39c03543f8ee553b838df5065c1195447f82c8305e1754c3
GCleaner
f9757bc4b64757aade6871dbdcb59d64ad51a7dee7f30834e27c6bda5f3b201a
GCleaner
+ 2'124 additional samples on MalwareBazaar
Result
Malware family:
gcleaner
Create hunting rule
Score:
  10/10
Tags:
family:gcleaner discovery loader
Link:
https://tria.ge/reports/230323-b1tbhsef6v/
Behaviour
Kills process with taskkill
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Checks installed software on the system
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
GCleaner
Malware Config
C2 Extraction:
45.12.253.56
45.12.253.72
45.12.253.98
45.12.253.75
Unpacked files
SH256 hash:
dd65d3557a2147d4848a05f925f64e6215ab0de94df20cf0f247dc5fc356e233
MD5 hash:
4420aa4f569a15ba57439794f3d46f64
SHA1 hash:
2b11cc52340037e527cc48c3b37b022e972183fb
Detections:
Nymaim
Create hunting rule
win_nymaim_g0
Create hunting rule
win_gcleaner_auto
Create hunting rule
Link:
https://www.unpac.me/results/bb8f58fb-d336-4761-92b5-887e225c34d5/
SH256 hash:
b166be259ba1e03d5ae0b0f1957527773c1da492c76dfd6918e009f9858c2e96
MD5 hash:
f918489c9616f77e8f68d04db3d56489
SHA1 hash:
e8829d1e1d1eb2f5372b15485c97e64315477e83
Link:
https://www.unpac.me/results/bb8f58fb-d336-4761-92b5-887e225c34d5/
SH256 hash:
dfc134e02b331affc24cecde8fd79376ffe4a1dfdb232a62a850c1611d934d2d
MD5 hash:
40bb3fb8a538d56a784480fc5ab790e7
SHA1 hash:
8eb7b4a178208345895271d4f99c79543bf4fa72
Link:
https://www.unpac.me/results/bb8f58fb-d336-4761-92b5-887e225c34d5/
SH256 hash:
5621cd4a0de05cddb766e3cfb98392bf50f6ee2e9f9befc62e9961788e193c22
MD5 hash:
c33390795c21a5074432d7b94205946d
SHA1 hash:
07e45eb6b1ce624b48ca11f3a9dac4a7b9c98f74
Link:
https://www.unpac.me/results/bb8f58fb-d336-4761-92b5-887e225c34d5/
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:win_gcleaner_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.gcleaner.

File information

The table below shows additional information about this malware sample such as delivery method and external references.

  
Dropped by
PrivateLoader
  
Delivery method
Distributed via drive-by
  
URLhaus
https://urlhaus.abuse.ch/url/2509470/
Cape
Cape
https://www.capesandbox.com/analysis/376716/

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